Merged the latest xmrig DERO-speedup code and built a new Android mobile miner. You can re-download it: 64-bit version: http://xmrig.mx99.ml/xmrigARM-1.9.5-android-arm64v8.zip The DERO-speedup code is for 64-bit ARMv8 only. It gets about +10% hashrate on 64-bit phones.
If you use one-line script, you need to delete the previous version: cd; rm xmrigARM* and then re-run the one-line script. It will automatically download the new version.